<template>
  <el-container class="home_container">
    <el-header>
      <div>
        <img src="../assets/logo.png">
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <el-container>
      <el-aside width="200px">
        <div class="toggle-button">|||</div>
        <el-menu
          background-color="#545c64"
          text-color="#fff"
          active-text-color="#409eff"
          unique-opened
          router
          :default-active="activePath">
          <el-submenu :index="item.id + ''" v-for="item in menulist" :key="item.id">
            <template slot="title">
              <i :class="iconObj[item.id]"></i>
              <span>{{item.authName}}</span>
            </template>
            <el-menu-item :index="'/' + subItem.path" v-for="subItem in item.children" :key="subItem.id" @click="saveNavState('/' + subItem.path)">
              <template slot="title">
                <i class="el-icon-menu"></i>
                <span>{{subItem.authName}}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>

export default {
  data(){
    return{
      menulist:[],
      iconObj:{
        '125':'iconfont icon-user',
        '103':'iconfont icon-tijikongjian',
        '101':'iconfont icon-shangpin',
        '102':'iconfont icon-danju',
        '145':'iconfont icon-baobiao'
      },
      activePath:''
    }
  },
  created () {
    this.getMenuList()
    this.activePath = window.sessionStorage.getItem('activePath')
  },
  methods:{
    logout(){
      window.sessionStorage.clear();
      this.$router.push('/login');
    },
    async getMenuList(){
      const {data:res} = await this.$http.get('menus')
      if(res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.menulist = res.data
      console.log(res)
    },
    saveNavState(activePath){
      window.sessionStorage.setItem('activePath',activePath)
      this.activePath = activePath
    }
  }
}
</script>

<style lang="css" scoped>
.home_container{
  height: 100%;
}
.el-header{
  background-color: #404040;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: white;
}
.el-header div{
  display: flex;
  align-items: center;
}
.el-header div span{
  font-size: 20px;
  margin-left: 10px;
}
.el-header img{
  height: 60px;
}
.el-aside{
  background-color: rgb(84,92,100);
}
.el-aside .el-menu{
  border-right: 0;
}
.el-main{
  background-color: #eaedf1;
}
.iconfont{
  margin-right: 10px;
}
.toggle-button{
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
}
</style>
